St George Threshold Days by Year (USC00427516)

18 fixed thresholds counted per year at St George (USC00427516): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St George Thresholds

St George: days with a maximum temperature at or above 30 C (86 F) in 116 years, most in 1934 with 175.
St George: days with a maximum temperature at or above 35 C (95 F) in 116 years, most in 2024 with 124.
St George: days with a maximum temperature at or above 90 F (32.2 C) in 116 years, most in 1996 with 156.
St George: days with a maximum temperature at or above 100 F (37.8 C) in 116 years, most in 2024 with 98.
18 fixed thresholds have at least one qualifying day at St George.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at St George with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 1934.

Days at or above 30 C (86 F) per year at St George
Year	Days	Decade average
1893	133	146.1
1894	153	146.1
1895	157	146.1
1896	138	146.1
1897	150	146.1
1898	157	146.1
1899	135	146.1
1900	135	133.8
1901	147	133.8
1902	143	133.8
1903	136	133.8
1904	144	133.8
1905	106	133.8
1906	145	133.8
1907	137	133.8
1908	139	133.8
1909	106	133.8
1911	129	131
1912	104	131
1913	134	131
1914	138	131
1917	132	131
1918	133	131
1919	147	131
1920	140	150.1
1921	152	150.1
1922	155	150.1
1923	135	150.1
1924	156	150.1
1925	145	150.1
1926	161	150.1
1927	152	150.1
1928	153	150.1
1929	152	150.1
1930	138	146.9
1931	146	146.9
1932	141	146.9
1933	141	146.9
1934	175	146.9
1935	143	146.9
1936	158	146.9
1937	149	146.9
1938	146	146.9
1939	132	146.9
1940	151	144.8
1941	113	144.8
1942	146	144.8
1943	155	144.8
1944	139	144.8
1945	140	144.8
1946	154	144.8
1947	157	144.8
1948	148	144.8
1950	154	148.3
1951	136	148.3
1952	161	148.3
1953	137	148.3
1954	161	148.3
1955	147	148.3
1956	153	148.3
1957	130	148.3
1958	159	148.3
1959	145	148.3
1960	154	151.6
1961	153	151.6
1962	157	151.6
1963	153	151.6
1964	152	151.6
1966	162	151.6
1967	137	151.6
1968	144	151.6
1969	152	151.6
1970	136	135.6
1971	130	135.6
1972	137	135.6
1973	140	135.6
1974	147	135.6
1975	136	135.6
1976	135	135.6
1977	124	135.6
1982	140	147.3
1983	126	147.3
1984	153	147.3
1985	162	147.3
1986	140	147.3
1987	151	147.3
1988	159	147.3
1990	137	146.6
1993	152	146.6
1994	159	146.6
1995	146	146.6
1996	170	146.6
1997	123	146.6
1998	130	146.6
1999	156	146.6
2000	161	138
2002	125	138
2003	149	138
2004	141	138
2008	127	138
2009	125	138
2010	126	136.4
2011	121	136.4
2012	149	136.4
2015	146	136.4
2016	133	136.4
2017	130	136.4
2018	151	136.4
2019	135	136.4
2020	167	158.1
2021	147	158.1
2022	162	158.1
2023	154	158.1
2024	160	158.1
2025	151	158.1
2026	166	158.1

For each year, a bar from the first to the last day at St George meeting 30 C (86 F).

First to last qualifying date each year at St George
Year	First date	Last date
1893	1893-03-29	1893-10-16
1894	1894-04-06	1894-10-24
1895	1895-03-25	1895-10-15
1896	1896-03-23	1896-10-17
1897	1897-04-14	1897-09-29
1898	1898-04-08	1898-10-14
1899	1899-04-08	1899-10-07
1900	1900-03-12	1900-10-10
1901	1901-04-19	1901-10-19
1902	1902-04-16	1902-10-21
1903	1903-04-22	1903-09-26
1904	1904-03-08	1904-10-14
1905	1905-05-15	1905-10-08
1906	1906-04-19	1906-10-27
1907	1907-03-19	1907-10-12
1908	1908-04-12	1908-10-15
1909	1909-04-15	1909-09-30
1911	1911-03-31	1911-10-09
1912	1912-05-16	1912-09-30
1913	1913-03-31	1913-10-22
1914	1914-04-14	1914-10-13
1917	1917-04-25	1917-10-15
1918	1918-04-30	1918-10-30
1919	1919-04-17	1919-10-11
1920	1920-04-29	1920-10-09
1921	1921-04-22	1921-10-22
1922	1922-04-22	1922-10-11
1923	1923-05-02	1923-10-21
1924	1924-04-21	1924-11-03
1925	1925-03-19	1925-10-03
1926	1926-04-24	1926-10-27
1927	1927-04-22	1927-10-24
1928	1928-04-26	1928-10-19
1929	1929-04-16	1929-10-21
1930	1930-04-05	1930-10-07
1931	1931-04-06	1931-10-17
1932	1932-04-01	1932-10-16
1933	1933-05-19	1933-10-26
1934	1934-03-15	1934-10-27
1935	1935-04-13	1935-10-13
1936	1936-04-10	1936-10-14
1937	1937-04-15	1937-10-29
1938	1938-04-18	1938-10-04
1939	1939-04-08	1939-09-30
1940	1940-03-24	1940-10-17
1941	1941-05-05	1941-09-27
1942	1942-04-21	1942-10-25
1943	1943-04-02	1943-10-28
1944	1944-05-06	1944-10-29
1945	1945-04-18	1945-11-02
1946	1946-03-13	1946-09-30
1947	1947-04-14	1947-10-20
1948	1948-04-16	1948-10-15
1950	1950-04-17	1950-10-29
1951	1951-04-14	1951-10-11
1952	1952-04-05	1952-10-24
1953	1953-04-21	1953-10-14
1954	1954-04-13	1954-10-21
1955	1955-05-04	1955-10-18
1956	1956-03-24	1956-10-11
1957	1957-04-30	1957-10-10
1958	1958-04-19	1958-10-19
1959	1959-04-02	1959-10-27
1960	1960-03-21	1960-10-08
1961	1961-04-03	1961-10-20
1962	1962-04-08	1962-10-29
1963	1963-04-14	1963-10-16
1964	1964-04-15	1964-10-27
1966	1966-03-30	1966-10-25
1967	1967-05-08	1967-10-21
1968	1968-03-29	1968-10-26
1969	1969-03-30	1969-10-09
1970	1970-05-03	1970-10-03
1971	1971-04-13	1971-10-15
1972	1972-03-09	1972-10-03
1973	1973-04-27	1973-10-22
1974	1974-04-30	1974-10-21
1975	1975-05-10	1975-10-19
1976	1976-05-02	1976-10-11
1977	1977-04-23	1977-10-19
1982	1982-03-10	1982-09-26
1983	1983-05-21	1983-09-29
1984	1984-04-14	1984-10-10
1985	1985-04-03	1985-10-29
1986	1986-03-27	1986-10-09
1987	1987-04-15	1987-10-11
1988	1988-04-06	1988-10-31
1990	1990-03-19	1990-10-28
1993	1993-04-21	1993-10-11
1994	1994-04-15	1994-10-13
1995	1995-05-01	1995-10-22
1996	1996-04-07	1996-10-16
1997	1997-03-20	1997-10-16
1998	1998-04-21	1998-10-13
1999	1999-04-18	1999-10-16
2000	2000-04-04	2000-10-19
2002	2002-04-02	2002-10-09
2003	2003-05-12	2003-10-22
2004	2004-03-20	2004-10-09
2008	2008-04-15	2008-10-10
2009	2009-04-21	2009-10-20
2010	2010-05-05	2010-10-18
2011	2011-05-06	2011-10-17
2012	2012-04-21	2012-10-09
2015	2015-03-28	2015-10-17
2016	2016-04-08	2016-10-23
2017	2017-03-21	2017-10-13
2018	2018-04-08	2018-10-02
2019	2019-04-09	2019-10-18
2020	2020-04-26	2020-11-06
2021	2021-04-03	2021-10-05
2022	2022-03-26	2022-10-20
2023	2023-04-11	2023-10-23
2024	2024-04-20	2024-10-17
2025	2025-03-26	2025-10-10
2026	2026-03-18	2026-10-10

Every Fixed Threshold

Fixed thresholds at St George
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	175	1934	166
35 C (95 F): Days	116	124	2024	111
40 C (104 F): Days	115	63	1994	48
45 C (113 F): Days	16	6	1985	4
90 F (32.2 C): Days	116	156	1996	151
100 F (37.8 C): Days	116	98	2024	78
110 F (43.3 C): Days	76	20	1994	8
0 C (32 F): Ice days (max	25	13	1937	1
0 C (32 F): Frost days (min	115	174	1896	23
-10 C (14 F): Days with min	66	34	1898	1
-20 C (-4 F): Days with min	3	4	1937	4
20 C (68 F): Tropical nights (min	113	97	2003	77
25 C (77 F): Days with min	74	37	2010	24
10 mm (0.39 in): Days with 10 mm or more rain	99	13	1941	4
25 mm (0.98 in): Days with 25 mm or more rain	38	3	1903	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1997	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	2	1968	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for St George threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

St George Threshold Days by Year (USC00427516)

Key Facts for St George Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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